feat(watcher): accept poll flag for polling file system changes

* fix(watcher): make watcher respect excluded directories

Make watcher respect excluded directories set in configuration file

* fix(watcher): add polling option to watcher

Add commandline flag to use polling instead of filesystem events to detect file changes

Author: McSneaky

commands/Serve.ts

@@ -23,6 +23,15 @@ export default class Serve extends BaseCommand {
   @flags.boolean({ description: 'Watch for file changes and re-build the project', alias: 'w' })
   public watch: boolean
 
+  /**
+   * Detect changes by polling files
+   */
+  @flags.boolean({
+    description: 'Detect file changes by polling files instead of listening to filesystem events',
+    alias: 'p',
+  })
+  public poll: boolean
+
   /**
    * Allows watching for file changes
    */
@@ -73,9 +82,9 @@ export default class Serve extends BaseCommand {
 
     try {
       if (this.compile === false) {
-        await new BuildWatcher(cwd, this.nodeArgs, this.logger).watch(ADONIS_BUILD_DIR() || './')
+        await new BuildWatcher(cwd, this.nodeArgs, this.logger).watch(ADONIS_BUILD_DIR() || './', this.poll)
       } else if (this.watch) {
-        await new Watcher(cwd, true, this.nodeArgs, this.logger).watch()
+        await new Watcher(cwd, true, this.nodeArgs, this.logger).watch(this.poll)
       } else {
         await new Compiler(cwd, true, this.nodeArgs, this.logger).compile()
       }

src/BuildWatcher/index.ts

@@ -41,7 +41,7 @@ export class BuildWatcher {
   /**
    * Watch for compiled output changes
    */
-  public async watch (buildDir: string) {
+  public async watch (buildDir: string, poll = false) {
     const absPath = join(this.buildRoot, buildDir)
     const hasBuildDir = await pathExists(absPath)
     if (!hasBuildDir) {
@@ -58,6 +58,7 @@ export class BuildWatcher {
      */
     const watcher = chokidar.watch(['.'], {
       ignoreInitial: true,
+      usePolling: poll,
       cwd: absPath,
       ignored: [
         'node_modules/**',

src/Watcher/index.ts

@@ -38,7 +38,7 @@ export class Watcher {
   /**
    * Build and watch for file changes
    */
-  public async watch () {
+  public async watch (poll = false) {
     const config = this.compiler.parseConfig()
     if (!config) {
       return
@@ -204,10 +204,8 @@ export class Watcher {
      * Start the watcher
      */
     watcher.watch(['.'], {
-      ignored: [
-        'node_modules/**',
-        `${config.options.outDir}/**`,
-      ],
+      ignored: config.raw.exclude,
+      usePolling: poll,
     })
   }
 }